How close are we to flying cars?
How close are we to flying cars? This image provided by Joby Aviation shows the conceptual design of the Joby S2 Electric VTOL PAV aircraft. (Joby Aviation via AP/Airbus via AP)
How close are we to flying cars?
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Even before the cartoon character George Jetson entranced kids with his flying car, people dreamed of soaring above traffic congestion. Inventors and entrepreneurs have long tried and failed to make the dream a reality, but that may be changing.
Nearly a dozen companies around the globe, including some with deep pockets such as European aircraft maker Airbus, are competing to be the first to develop a new kind of aircraft that will enable commuters to glide above crowded roadways. A few of the aircraft under development are cars with wings that unfold for flight, but most aren't cars at all. Typically they take off and land vertically like helicopters. Rather than a single, large main rotor, they have multiple small rotors. Each rotor is operated by a battery-powered electric motor instead of a conventional aircraft piston engine.
It's no sure bet that flying-car dreams will turn into reality. There are many obstacles, including convincing regulators that the aircraft are safe, figuring out how to handle thousands of new low-flying aircraft over cities without collisions and developing batteries that will keep them aloft long enough to be useful.
But entrepreneurs are moving forward. They see a vast potential market for "air taxis" and personally owned small aircraft to transport people from the fringes of metropolitan areas to city centers as urban areas grow more congested and people spend more time stuck in traffic. They envision tens of thousands of one or two-person flying taxis delivering passengers to the rooftops of office buildings in city centers and other landing pads during rush hours.
"In as little as 10 years, products could be on the market that revolutionize urban travel for millions of people," said Zach Lovering. He is the leader of Airbus' project to develop an autonomous flying taxi. It is called the Vahana. The name means the mount or vehicle of a Hindu deity.
Uber released a 98-page report in October. It made the business case for air taxis. The company sees them as the future of on-demand transportation. Uber doesn't have any plans to develop a flying car itself. But the online transportation network is advising several companies that have aircraft in the works.
"The role we want to play is as a catalyst for the entire industry," said Nikhil Goel. He is an Uber project manager for advanced programs.
Some of the aircraft are drones that will be preprogrammed for each flight. They will be monitored or operated from the ground or a command center. Others are designed for human pilots.
It's unclear yet how much the aircraft will cost. The prices are likely to vary significantly. Some of the aircraft are designed to be individually owned. Others are envisioned more for commercial use. Designers hope that demand is high. If so, prices might be kept affordable through economies of mass production.
Several recent developments could make these aircraft possible. Advances in computing power mean the rotors on multi-copter drones can be adjusted many times per second. This makes the aircraft easy to control. Drones have also benefited from advances in battery and electric motor technology. Some companies, like Chinese dronemaker EHang, are scaling-up drones. That's so they can carry people.
Another aircraft under development is the Santa Cruz, California-based Joby Aviation's S2. It looks more like a conventional plane. But there are 12 tiltrotors. These are spread along the wings and tail. And some, like the Vahana, a cockpit mounted on a sled and flanked by propellers in front and back, don't really look like any aircraft in the skies today.
"In terms of what you can make fly in a reliable manner, the solution speed gateway that (computer) chips have gone through recently have literally opened the door to a whole new world of flying machine possibilities," said Charles Eastlake. He is an Embry-Riddle Aeronautical University professor emeritus of aerospace engineering.
But he also cautioned: "My best engineering guess is that people actually using autonomous air taxis in the next 10 or 15 years is possible, but definitely not certain. The challenges are big."
Key for many of the designs will be the development of longer-lasting lightweight batteries. Currently available batteries could probably keep an air taxi aloft about 15 to 30 minutes. Then it would have to land, experts said. Depending on how fast the aircraft flies, that probably isn't quite enough to transport passengers between nearby cities or across metropolitan areas, experts said.
Another hurdle will be winning Federal Aviation Administration certification for any radical new kind of aircraft. Approval of even small changes in aviation technology can take years.
The FAA said in a statement that it is taking a "flexible, open-minded, and risk-based approach" to flying cars. FAA officials have discussed with several manufacturers the certification of aircraft. These will be flown with a pilot in the beginning. Later, they will be converted to an autonomous passenger aircraft.
Reducing noise is another challenge. Air taxis will be taking off and landing in densely populated areas. So is creating enough landing pads to handle lots of aircraft at the same time. A new air traffic control system would also likely be needed.
"It's pretty clear that the existing air traffic control system won't scale to the kind of density at low altitudes that people are talking about," said John Hansman. He is a Massachusetts Institute of Technology professor. He chairs the FAA's research and engineering advisory committee.
NASA is developing an air traffic control system for small drones. It could perhaps be expanded to include flying cars.
"There's no question we can build the vehicle," Hansman said. "The big challenge is whether we can build a vehicle that would be allowed to operate in the places where people want to use it."

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Why is it so difficult to make a flying car?
Write your answers in the comments section below

  • cesars-
    2/23/2017 - 08:41 a.m.

    It is so difficult to make a flying car because people needed a lot of tool and to make it but there were parts that weren't invented.

  • Richie-stol
    2/23/2017 - 11:05 a.m.

    Because you have to make many precautions like if you want it to run on battery than you have to have a very powerful battery or you have to control the sound so people know that its coming but it shouldn't be to loud.

  • kaylae-
    2/23/2017 - 01:03 p.m.

    its difficult to make a flying car because many things come into to play, like how to make it fly or how big or small the wings need to be. also is it safe for people to be using.

  • izzyb1-har
    2/23/2017 - 08:17 p.m.

    It is so difficult to make a flying car because of 3 main problems. One of these problems is battery power as stated in the article, "Currently available batteries could probably keep an air taxi aloft about 15 to 30 minutes. Then it would have to land, experts said. Depending on how fast the aircraft flies, that probably isn't quite enough to transport passengers between nearby cities or across metropolitan areas, experts said". Also, convincing FAA officials because even if the do agree these things take years. The final problem is reducing the noise I populated areas there is already noise this would add to that. All and all there are so may problems to make a flying car. Maney has their hopes and I am one of them.

  • wesleya-
    2/24/2017 - 08:42 a.m.

    cause planes or other air vehicles or big but a car is really not so the need to have a lot of fuel to get up.

  • lanes-
    2/24/2017 - 11:43 a.m.

    It's so difficult because we don't have the equipment to make flying cars and we don't know how to make them because we have never made one before

  • issiahm-
    2/24/2017 - 11:43 a.m.

    We are really close to flying cars because they already have cars that run off of water.and some cars run off of battery's instead of cars and oil just like the tesla...!!!

  • connorm364972-
    2/24/2017 - 11:48 a.m.

    its so difficult to make flying cars because of air traffic wont be very safe and finding the right batterie is difficult

  • matthewm10152011-
    2/24/2017 - 11:51 a.m.

    Because we don't have the technology to make them yet, and it would be very expensive. And the battery is needed to be made for it.

  • terranceb-
    2/24/2017 - 11:54 a.m.

    Its so difficult to make a flying car because we need more landing places and they have to be quite so they don't hurt others ears

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